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2026

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White Dew | The temperature gap between day and night is widening; it’s time to start planning for home heating.


September 7th marks "White Dew" (Bailu). There is an old saying: "From White Dew to the Autumn Equinox, the nights grow colder by the day"—and this is no idle talk. White Dew is the solar term with the greatest temperature difference between day and night throughout the year; across the country, this gap generally widens to 8°C–12°C, with some areas in the north exceeding 15°C. You might be sweating in the midday sun, yet facing bone-chilling winds at dawn and dusk; the pattern of "hot afternoons and cool mornings" becomes the norm.

The transition between summer and autumn is precisely when maintaining a comfortable home temperature is most challenging.

 

YKR "Warm Home" Series Air-Source Heat Pump

Once cold air arrives in October, the demand for heating system installations surges, and technicians' schedules become packed—meaning waits of several weeks are common. The period around White Dew is the ideal window to plan your heating system without the rush.

Choose the YKR "Warm Home" series air-source heat pump. It generates heat by extracting free thermal energy from the air, consuming minimal electricity while maintaining high energy efficiency; heating costs are significantly lower than those of electric boilers or gas wall-hung boilers. It operates stably even in extreme cold as low as -35°C, so there is no need to worry about the unit failing in harsh northern winters. When paired with underfloor heating or fan coil units, it ensures uniform, comfortable indoor temperatures without causing dryness or direct drafts.

 

Featuring seven-layer noise reduction technology, it operates quietly without causing disturbance. There are no risks of gas leaks or explosions, nor hazards associated with electric heating element leakage, making it a safe and reassuring choice for households with the elderly or children. With a design lifespan of 15–20 years, a single installation provides nearly two decades of service, saving you the hassle of frequent replacements.

Once White Dew passes, autumn has truly taken hold. Take advantage of the pleasant September weather and the availability of installers to secure your home's warmth for the winter ahead.

YKR "Warm Home" Series

Stays warm even at -35°C—built specifically for winter.